| details |
Middle Cambrian |
Arenigian |
Zambia |
VavrdovЎ,M. et al. Lower Palaeozoic microfossils from the Luapula Beds of Mansa area |
1972 |
| details |
Ludlovian |
|
Indiana |
Wood,G.D. Acritarchs and Trilete spores from the Mississinewa Shale of northern Indiana. |
1975 |
| details |
Lochkovian |
Pragian |
France(Bretagne) |
Baudu,V. et al. Relationships between organic-walled microfossils and palaeoenvironments: examples of two Devonian Formations from the Armorican Massif and Aquitaine |
1995 |
| details |
Llanvirnian |
Caradocian |
England(Shropshire) |
Jenkins,W.A.M. Ordovician chitinozoa from Shropshire. |
1967 |
| details |
Llanvirnian |
|
France |
Rauscher,R. Ordovician acritarchs from France. |
1974 |
| details |
Llanvirnian |
|
E.Germany |
Burmann,G. The Ordovician of the northern Phyllite zone |
1973 |
| details |
Llandoverian |
Wenlockian |
Ireland |
Smith,D.G. Progress in Irish Lower Palaeozoic palynology. |
1981 |
| details |
Llandoverian |
Wenlockian |
Paraguay |
Wood,G.D. et al. Chitinozoans and microplankton from the Silurian Vargas Pena Shale, (Itacurubi Group) Chaco Basin, Paraguay. |
1988 |
| details |
Llandoverian |
|
Canada(Nova Scotia) |
Strother,P.K. Acritarchs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Vendian |
Early Cambrian |
India(Karnataka) |
Viswanathiah,M.N. et al. Vendian Cambrian boundary in the Kaladgi Group of rocks of Karnataka, South India. |
1984 |
| details |
Late Precambrian |
|
China(Shanghai) |
Yao,Z.-B. et al. Correlation of the Upper Precambrian in the Xuhuai Region |
1983 |
| details |
Late Precambrian |
Paleozoic |
Worldwide |
Timofeev,B.V. The taxonomy of the most ancient phytoplankton organisms and dispersed spores. (Taxonomy and Methods for the Study of Fossl Pollen and Spores. V.N. Saks and A.F. Khlonova, editors) |
1964 |
| details |
Late Permian |
|
England |
Pattison,J. et al. A review of Late Permian and Early Triassic biostratigraphy in the British Isles. |
1973 |
| details |
Late Paleozoic |
|
Nd |
Medvedeva,A.M. et al. An electron-Microscopic study of Upper Paleozoic acritarchs from rocks and oils |
1983 |
| details |
Late Ordovician |
|
Indiana |
Miller,M.A. et al. Upper Ordovician (Lower Richmondian) acritarchs and chitinozoans from southeastern Indiana, USA. |
1981 |
| details |
Late Ordovician |
Late Gothlandian |
USSR(Russian Platform) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1971 |
| details |
Late Llanvirnian |
|
France(Cotes du Nord) |
Lefort,J.P. et al. A study of the Pre-Mesozoic basement samples of the northern part of the Channel Islands Gulf. |
1974 |